From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Eli Zaretskii Newsgroups: gmane.emacs.bugs Subject: bug#19393: 25.0.50; Emacs cannot determine coding system of ISO-8859 encoded files Date: Thu, 18 Dec 2014 18:22:14 +0200 Message-ID: <83388dudvt.fsf@gnu.org> References: <87sigfpqmx.fsf@thinkpad-t440p.tsdh.org> <85oar3xwc1.fsf@iznogoud.viz> <871tnzs7y6.fsf@thinkpad-t440p.tsdh.org> <85mw6m4aqs.fsf@iznogoud.viz> <83zjamuvgf.fsf@gnu.org> <85egry464g.fsf@iznogoud.viz> <83y4q6us1v.fsf@gnu.org> <85bnn1pvr1.fsf@iznogoud.viz> Reply-To: Eli Zaretskii NNTP-Posting-Host: plane.gmane.org X-Trace: ger.gmane.org 1418919811 30245 80.91.229.3 (18 Dec 2014 16:23:31 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Thu, 18 Dec 2014 16:23:31 +0000 (UTC) Cc: 19393@debbugs.gnu.org To: Wolfgang Jenkner Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Thu Dec 18 17:23:21 2014 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane.org Original-Received: from lists.gnu.org ([208.118.235.17]) by plane.gmane.org with esmtp (Exim 4.69) (envelope-from ) id 1Y1drA-0000Ii-Jv for geb-bug-gnu-emacs@m.gmane.org; Thu, 18 Dec 2014 17:23:16 +0100 Original-Received: from localhost ([::1]:54645 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Y1dr9-0003wh-QU for geb-bug-gnu-emacs@m.gmane.org; Thu, 18 Dec 2014 11:23:15 -0500 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:58886) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Y1dr1-0003wM-P3 for bug-gnu-emacs@gnu.org; Thu, 18 Dec 2014 11:23:13 -0500 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1Y1dqw-00006I-RK for bug-gnu-emacs@gnu.org; Thu, 18 Dec 2014 11:23:07 -0500 Original-Received: from debbugs.gnu.org ([140.186.70.43]:40946) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Y1dqw-00006E-NW for bug-gnu-emacs@gnu.org; Thu, 18 Dec 2014 11:23:02 -0500 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.80) (envelope-from ) id 1Y1dqw-0003KM-An for bug-gnu-emacs@gnu.org; Thu, 18 Dec 2014 11:23:02 -0500 X-Loop: help-debbugs@gnu.org Resent-From: Eli Zaretskii Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Thu, 18 Dec 2014 16:23:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 19393 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: notabug Original-Received: via spool by 19393-submit@debbugs.gnu.org id=B19393.141891974312738 (code B ref 19393); Thu, 18 Dec 2014 16:23:02 +0000 Original-Received: (at 19393) by debbugs.gnu.org; 18 Dec 2014 16:22:23 +0000 Original-Received: from localhost ([127.0.0.1]:50312 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.80) (envelope-from ) id 1Y1dqI-0003JN-MM for submit@debbugs.gnu.org; Thu, 18 Dec 2014 11:22:23 -0500 Original-Received: from mtaout27.012.net.il ([80.179.55.183]:46501) by debbugs.gnu.org with esmtp (Exim 4.80) (envelope-from ) id 1Y1dqG-0003JC-4v for 19393@debbugs.gnu.org; Thu, 18 Dec 2014 11:22:21 -0500 Original-Received: from conversion-daemon.mtaout27.012.net.il by mtaout27.012.net.il (HyperSendmail v2007.08) id <0NGS00800D38LA00@mtaout27.012.net.il> for 19393@debbugs.gnu.org; Thu, 18 Dec 2014 18:18:20 +0200 (IST) Original-Received: from HOME-C4E4A596F7 ([87.69.4.28]) by mtaout27.012.net.il (HyperSendmail v2007.08) with ESMTPA id <0NGS005AHDAKNZ40@mtaout27.012.net.il>; Thu, 18 Dec 2014 18:18:20 +0200 (IST) In-reply-to: <85bnn1pvr1.fsf@iznogoud.viz> X-012-Sender: halo1@inter.net.il X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.15 Precedence: list X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.x X-Received-From: 140.186.70.43 X-BeenThere: bug-gnu-emacs@gnu.org List-Id: "Bug reports for GNU Emacs, the Swiss army knife of text editors" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Original-Sender: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Xref: news.gmane.org gmane.emacs.bugs:97523 Archived-At: > From: Wolfgang Jenkner > Cc: 19393@debbugs.gnu.org > Date: Thu, 18 Dec 2014 02:47:41 +0100 > > > That's what I thought. AFAIK, FreeBSD systems use mmap(2) explicitly > > for buffer memory allocation, and that could be slow when we need to > > repeatedly reallocate buffer text and memmove the text between old and > > new. > > > >> but the emacs versions I have are more than a month old, so I'll > >> bootstrap from a current git checkout and try again. > > > > If I'm right, this won't change the result. > > You are right, of course (it took around 15 minutes system+user time). > > So, I tried > > --8<---------------cut here---------------start------------->8--- > diff --git a/configure.ac b/configure.ac > index 010abc8..de1c5e8 100644 > --- a/configure.ac > +++ b/configure.ac > @@ -2127,7 +2127,7 @@ fi > > use_mmap_for_buffers=no > case "$opsys" in > - cygwin|mingw32|freebsd|irix6-5) use_mmap_for_buffers=yes ;; > + cygwin|mingw32|irix6-5) use_mmap_for_buffers=yes ;; > esac > > AC_FUNC_MMAP > --8<---------------cut here---------------end--------------->8--- > > However, this still took around 10 minutes (I tested with emacs -Q in > both cases, of course). That's expected: when you disable mmap, Emacs uses ralloc.c, which still has this problem. Btw, is this with the compressed file or after decompressing it? My guess is the former.